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output: add present event

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This commit is contained in:
emersion 2018-09-29 22:38:13 +02:00
parent 3aad9fd6a9
commit 78389fe722
4 changed files with 37 additions and 2 deletions
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12
backend/drm/drm.c
View file

@ -1149,8 +1149,8 @@ void scan_drm_connectors(struct wlr_drm_backend *drm) {
}
static void page_flip_handler(int fd, unsigned seq,
unsigned tv_sec, unsigned tv_usec, void *user) {
struct wlr_drm_connector *conn = user;
unsigned tv_sec, unsigned tv_usec, void *data) {
struct wlr_drm_connector *conn = data;
struct wlr_drm_backend *drm =
get_drm_backend_from_backend(conn->output.backend);
@ -1170,6 +1170,14 @@ static void page_flip_handler(int fd, unsigned seq,
post_drm_surface(&conn->crtc->primary->mgpu_surf);
}
struct timespec present_time = {
.tv_sec = tv_sec,
.tv_nsec = tv_usec * 1000,
};
uint32_t present_flags = WLR_OUTPUT_PRESENT_VSYNC |
WLR_OUTPUT_PRESENT_HW_CLOCK | WLR_OUTPUT_PRESENT_HW_COMPLETION;
wlr_output_send_present(&conn->output, &present_time, seq, present_flags);
if (drm->session->active) {
wlr_output_send_frame(&conn->output);
}

2
include/wlr/interfaces/wlr_output.h
View file

@ -45,5 +45,7 @@ void wlr_output_update_enabled(struct wlr_output *output, bool enabled);
void wlr_output_update_needs_swap(struct wlr_output *output);
void wlr_output_damage_whole(struct wlr_output *output);
void wlr_output_send_frame(struct wlr_output *output);
void wlr_output_send_present(struct wlr_output *output, struct timespec *when,
unsigned seq, uint32_t flags);
#endif

14
include/wlr/types/wlr_output.h
View file

@ -91,6 +91,7 @@ struct wlr_output {
struct wl_signal frame;
struct wl_signal needs_swap;
struct wl_signal swap_buffers; // wlr_output_event_swap_buffers
struct wl_signal present; // wlr_output_event_present
struct wl_signal enable;
struct wl_signal mode;
struct wl_signal scale;
@ -123,6 +124,19 @@ struct wlr_output_event_swap_buffers {
pixman_region32_t *damage;
};
enum wlr_output_present_flag {
WLR_OUTPUT_PRESENT_VSYNC = 0x1,
WLR_OUTPUT_PRESENT_HW_CLOCK = 0x2,
WLR_OUTPUT_PRESENT_HW_COMPLETION = 0x4,
};
struct wlr_output_event_present {
struct wlr_output *output;
struct timespec *when;
unsigned seq;
uint32_t flags; // enum wlr_output_present_flag
};
struct wlr_surface;
/**

11
types/wlr_output.c
View file

@ -560,6 +560,17 @@ void wlr_output_schedule_frame(struct wlr_output *output) {
wl_event_loop_add_idle(ev, schedule_frame_handle_idle_timer, output);
}
void wlr_output_send_present(struct wlr_output *output, struct timespec *when,
unsigned seq, uint32_t flags) {
struct wlr_output_event_present event = {
.output = output,
.when = when,
.seq = seq,
.flags = flags,
};
wlr_signal_emit_safe(&output->events.present, &event);
}
bool wlr_output_set_gamma(struct wlr_output *output, size_t size,
const uint16_t *r, const uint16_t *g, const uint16_t *b) {
if (!output->impl->set_gamma) {